.pane_item {
  background: white;
  margin-bottom: 12px;
  border-radius: 4px;
  .item_header {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    // justify-content: space-between;
    height: 45px;
    cursor: pointer;
    transition: all 0.3s, visibility 0s;

    .header_left {
      flex: auto;
      padding-left: 24px;
      height: 45px;
      display: flex;
      flex-flow: row nowrap;
      align-items: center;
      .left_collapse_icon {
        color: rgba(0, 0, 0, 0.88);
        transition: all 0.2s ease-in-out;
        margin-right: 5px;
        &.icon_rotate {
          transform: rotate(90deg);
        }
      }
      .left_text {
        font-weight: 600;
        font-size: 16px;
        color: #333333;
        line-height: 22px;
        text-align: left;
        font-style: normal;
      }
    }
    .header_right {
      // padding-right: 16px;
      // >span{  删除按钮
      //   display: inline-block;
      //   width: 45px;
      //   height: 45px;
      //   background: linear-gradient(223deg, #FFBB95 0%, #FCFCFC 100%, #FFFFFF 100%);
      //   border-radius: 4px;
      //   opacity: 0.7;
      //   color: #9D9EA0;
      //   font-size: 16px;
      //   text-align: center;
      //   line-height: 45px;
      // }
    }
  }
}
.item_content {
  padding: 0 16px;
  max-height: 750px;
  // overflow-y: auto; // 展开的过程中会短暂出现滚动条
  overflow: hidden;
  transition: max-height 0.2s ease-in-out;
  &.content_hidden {
    max-height: 0;
  }
}
